JP4809475B2 - Textiles, in particular textile structures and / or textiles for coating - Google Patents

Textiles, in particular textile structures and / or textiles for coating Download PDF

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JP4809475B2
JP4809475B2 JP2009513572A JP2009513572A JP4809475B2 JP 4809475 B2 JP4809475 B2 JP 4809475B2 JP 2009513572 A JP2009513572 A JP 2009513572A JP 2009513572 A JP2009513572 A JP 2009513572A JP 4809475 B2 JP4809475 B2 JP 4809475B2
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yarns
weft
fabric
warp
yarn
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JP2009540135A (en
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フックス ヴォルフガング
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Sefar AG
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    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D11/00Double or multi-ply fabrics not otherwise provided for
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/283Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/04Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of halogenated hydrocarbons
    • D10B2321/042Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of halogenated hydrocarbons polymers of fluorinated hydrocarbons, e.g. polytetrafluoroethene [PTFE]
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00Physical properties
    • D10B2401/06Load-responsive characteristics
    • D10B2401/063Load-responsive characteristics high strength
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00Industrial
    • D10B2505/18Outdoor fabrics, e.g. tents, tarpaulins
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3179Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified
    • Y10T442/322Warp differs from weft

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Woven Fabrics (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Description

本発明は、請求項1の前文に係るPTFE紡績糸の縦糸と横糸からなる織物、特に織物構造体及び/又は被覆用の織物に関する。また、本発明は織物の製造方法に関する。   The present invention relates to a fabric comprising warp and weft yarns of PTFE spun yarn according to the preamble of claim 1, in particular to a fabric structure and / or a coating fabric. Moreover, this invention relates to the manufacturing method of a textile fabric.

織物の製造においてポリテトラフルオロエチレン(PTFE)紡績糸を利用することが知られている。   It is known to use polytetrafluoroethylene (PTFE) spun yarn in the manufacture of fabrics.

本発明の目的は、特にコーティングされていない条件において高い引張強さによる特に高い防水性を有するPTFE織物を提供することにある。また、本発明の目的は、織物、特に上記特性を有するPTFE織物の製造方法を提供することにある。   The object of the present invention is to provide a PTFE fabric which has a particularly high water resistance due to its high tensile strength, especially in uncoated conditions. Another object of the present invention is to provide a method for producing a woven fabric, particularly a PTFE woven fabric having the above characteristics.

上記目的は、請求項1又は2の特徴を有する織物によって達成される。従属請求項は好適な実施形態を示すものである。また、上記目的は、請求項11の特徴を有する方法によって達成される。   The object is achieved by a fabric having the features of claim 1 or 2. The dependent claims indicate preferred embodiments. The object is also achieved by a method having the features of claim 11.

本発明によれば、上記目的は、縦糸の数を横糸の数の少なくとも約2倍とすることによって達成される。このような構成によって特に良好な防水性が得られることが判明している。   According to the present invention, the above object is achieved by making the number of warp yarns at least about twice the number of weft yarns. It has been found that such a configuration provides particularly good waterproof properties.

本発明の別の態様では、縦糸の数は100〜125本/cm、特に115±3本/cmであり、及び/又は横糸の数は50〜80本/cm、特に57±3本/cmである。   In another aspect of the invention, the number of warp yarns is 100 to 125 yarns / cm, especially 115 ± 3 yarns / cm, and / or the number of weft yarns is 50 to 80 yarns / cm, especially 57 ± 3 yarns / cm. It is.

試験によれば、上記糸密度により、コーティングを施すことなく8cm以上の防水圧(water column)の防水性を達成することができる。糸の数が比較的多いため、細孔を比較的小さくすることができ、良好な防水性を得ることができる。また、縦糸の数が比較的多いため、特に高い引張強さを達成することができる。横糸の数が比較的多いため、製織時に機械出力(machine output)を向上させることができ、操業経済性を向上させることができる。   According to the test, it is possible to achieve a waterproofness of 8 cm or more of water pressure without applying a coating due to the yarn density. Since the number of yarns is relatively large, the pores can be made relatively small and good waterproof properties can be obtained. Moreover, since the number of warps is relatively large, a particularly high tensile strength can be achieved. Since the number of weft yarns is relatively large, the machine output can be improved during weaving, and the operation economy can be improved.

本発明に係る織物は、建築物、より詳細には屋外建築物に使用することができる。特に、本発明に係る織物は、日よけ構造物、大型テント、太陽光オーニング(sun−blind awning)、折り畳み式ブラインド(シェード)、テント型構造物及び/又は平面耐力構造物に使用することができる。本発明に係る織物によれば、例えば25m×25mの寸法を有する日よけ構造物を実現することができる。   The fabric according to the present invention can be used in buildings, more specifically in outdoor buildings. In particular, the woven fabric according to the present invention is used for sunshade structures, large tents, sun-blinding, folding blinds (shades), tent-type structures and / or plane load-bearing structures. Can do. According to the fabric according to the present invention, it is possible to realize a sunshade structure having a size of, for example, 25 m × 25 m.

本発明によれば、特に化学的に不活性でUV安定性を有し、特に屋外用途に好適なPTFE紡績糸を使用する。   According to the present invention, PTFE spun yarn is used, which is particularly chemically inert and UV stable and is particularly suitable for outdoor use.

本発明によれば、縦糸は単糸からなり、及び/又は縦糸のタイターは低いことが好ましい。本発明によれば、縦糸のタイターは例えば350〜370dtex、特に約360dtexであることができる。紡績糸の質量密度が低い場合には、特に柔軟な感触が得られる。   According to the invention, it is preferred that the warp consists of a single yarn and / or the warp titer is low. According to the invention, the warp titer can be, for example, 350 to 370 dtex, in particular about 360 dtex. A particularly soft feel is obtained when the mass density of the spun yarn is low.

また、横糸が好ましくは縦糸よりも高いタイターを有する単糸からなることが有利であり、横糸のタイターは最適には縦糸のタイターの約2倍である。より詳細には、横糸のタイターは640〜660dtex、好ましくは約650dtexであることができる。また、横糸のタイターは少なくとも約720dtexであってもよい。   It is also advantageous that the weft yarn preferably consists of a single yarn having a higher titer than the warp yarn, and the weft titer is optimally about twice that of the warp titer. More specifically, the weft thread titer can be 640-660 dtex, preferably about 650 dtex. Also, the weft titer may be at least about 720 dtex.

横糸は、特に2本の糸を有する諸撚糸からなることができる。この場合、横糸のタイターは縦糸のタイターに対応していることが好適である。例えば、横糸のタイターは350〜370dtex、好ましくは約360dtexであることができる。特に、各糸のタイターを上述した値とすることができる。諸撚糸とは、特に、絡み合っておらず、少なくともほぼ平行に延びる数本の糸からなる紡績糸を意味する。   The weft yarns can consist in particular of plied yarns having two yarns. In this case, it is preferable that the weft titer corresponds to the warp titer. For example, the weft titer can be 350-370 dtex, preferably about 360 dtex. In particular, the titer of each yarn can be the value described above. The twisted yarns mean, in particular, spun yarns composed of several yarns that are not intertwined and extend at least substantially in parallel.

絡み合った紡績糸と比較して、諸撚糸の各糸は織物構造体において僅かに大きなスペースを必要とするため、諸撚糸を使用して得られる織物を僅かに厚く及び/又は特に柔軟にすることができる。また、諸撚糸を使用することにより、絡み合った糸と比較して色に関する柔軟性を高めることができる。   Compared to entangled spun yarns, each yarn of plied yarn requires a slightly larger space in the fabric structure, so that the woven fabric obtained using plied yarn is slightly thicker and / or particularly flexible Can do. Moreover, the use of plied yarns can increase the color flexibility as compared with entangled yarns.

2本の糸を有する諸撚糸を横糸として使用する場合には、単位長さ当たりの糸の数を横糸の数の2倍とすることができる。例えば、1cm当たり50〜65本の横糸を設ける(すなわち、諸撚糸からなる横糸の数が50〜65本/cm)場合には、各横糸の数は100〜130本/cmとなる。   In the case of using plied yarns having two yarns as weft yarns, the number of yarns per unit length can be double the number of weft yarns. For example, when 50 to 65 wefts per 1 cm are provided (that is, the number of wefts made of twisted yarns is 50 to 65 yarns / cm), the number of each weft yarn is 100 to 130 yarns / cm.

糸が撚り合わされていないか、僅かに撚り合わされた諸撚糸の代わりに、絡み合った紡績糸を使用することも基本的に可能である。特にこの場合、紡績糸は、例えば350〜370dtex、好ましくは約360dtexのタイターを有する2本の糸を有することができる。糸全体のタイターが同一である単糸と比較して、紡績糸又は諸撚糸の比較的細い各糸を利用することにより表面積が増加して撥水性が向上し、屋外建築物用途において特に有利である。   It is also possible in principle to use intertwined spun yarns instead of untwisted or slightly twisted yarns. In this particular case, the spun yarn can have two yarns with a titer of, for example, 350 to 370 dtex, preferably about 360 dtex. Compared to single yarns with the same overall titer, the use of each of the relatively thin yarns of spun or twisted yarns increases surface area and improves water repellency, which is particularly advantageous in outdoor building applications. is there.

横糸及び/又は縦糸を緩く撚り合わせることによって織物の感触を向上させることができる。   The feel of the fabric can be improved by loosely twisting the weft and / or warp.

屋外建築物用途においては、織物の重量が少なくとも900g/mであることが特に有利である。例えば、織物の重量は約1000g/m、好ましくは約2000g/mとすることができる。 For outdoor building applications, it is particularly advantageous that the weight of the fabric is at least 900 g / m 2 . For example, the weight of the fabric can be about 1000 g / m 2 , preferably about 2000 g / m 2 .

織物の織り方をパナマ織り又はあや織りとすることにより、特に柔軟な感触と良好な防水性を得ることができる。好ましくは、パナマ6/6織りとすることができる。具体的には、連続数4の4糸パナマ6/6織り(P6/6(4)4織り)とすることができる。   By making the weave of Panama weave or twill weave, a particularly soft feel and good waterproofing can be obtained. Preferably, it can be a Panama 6/6 weave. Specifically, a four-thread panama 6/6 weave (P6 / 6 (4) 4 weave) can be used.

織物の引張強さに関しては、織物が多層織り、特に二層織りされていることが特に有利である。本発明に係る比較的多数の縦糸と共に二層織物構造を織物が有する場合には、5000N/5cmを超える引張強さを得ることができる。   With regard to the tensile strength of the fabric, it is particularly advantageous that the fabric is multi-layered, in particular double-layered. If the fabric has a two-layer fabric structure with a relatively large number of warp yarns according to the present invention, a tensile strength exceeding 5000 N / 5 cm can be obtained.

製織後に少なくとも1種の浴内で織物を処理することによって織物の純度を向上させることができる。好ましくは、酸性浴、アルカリ性浴及び/又は酸化剤浴内で織物を洗浄する。最適には、酸性浴、アルカリ性浴、酸化剤浴の順番で、織物をこれらの3種類の浴内で連続的に洗浄する。酸化剤浴は、例えば、特に有効で経済的な酸化剤である過酸化水素浴である。有利には、化学品浴を加熱し、特に高い有効性を得るために好適には約80℃の温度とする。化学品浴内で洗浄する場合には、洗浄の最後に織物を純水内ですすぐことが有利である。また、各浴内での洗浄間に織物を純水内ですすぐこともできる。   The purity of the fabric can be improved by treating the fabric in at least one bath after weaving. Preferably, the fabric is washed in an acid bath, alkaline bath and / or oxidizer bath. Optimally, the fabric is washed sequentially in these three baths in the order of acid bath, alkaline bath and oxidizer bath. The oxidant bath is, for example, a hydrogen peroxide bath, which is a particularly effective and economical oxidant. Advantageously, the chemical bath is heated and preferably at a temperature of about 80 ° C. in order to obtain particularly high effectiveness. When washing in a chemical bath, it is advantageous to rinse the fabric in pure water at the end of washing. It is also possible to rinse the fabric in pure water between washings in each bath.

織物の継ぎ目の滑りを防止する(特に高い継ぎ目安定性を得る)ために、縦糸を少なくともほぼ一平面内に配置することが有利な場合がある。   In order to prevent slippage of the fabric seams (in particular to obtain high seam stability) it may be advantageous to arrange the warp yarns at least approximately in one plane.

また、白い縦糸を使用し、少なくとも横糸の一部が着色されていることが有利である。特に、織物構造体では、着色された横糸を周期的に設け、残りの横糸は白色とすることができる。例えば、5本目又は10本目毎に横糸が着色されていてもよい。その結果、着色された織物構造体を特に簡便で経済的な方法で得ることができる。本実施形態によれば、着色された糸を1つの糸系統にのみ設けるため、その後の処理工程において織物を特に簡単に配置調整することができる。また、織物の外観を特に調和させると共に均一にすることができる。   It is also advantageous to use white warp and at least part of the weft is colored. In particular, in a woven structure, colored wefts can be provided periodically and the remaining wefts can be white. For example, the weft may be colored every fifth or tenth. As a result, a colored woven structure can be obtained in a particularly simple and economical manner. According to the present embodiment, since the colored yarn is provided only in one yarn system, the fabric can be arranged and adjusted particularly easily in the subsequent processing steps. In addition, the appearance of the fabric can be made particularly harmonious and uniform.

本発明に係る織物によれば、高い機械的安定性、特に耐風性、高い耐老化性、特にUV安定性及び/又は良好な遮蔽性を達成することができる。   According to the woven fabric according to the present invention, high mechanical stability, particularly wind resistance, high aging resistance, particularly UV stability and / or good shielding properties can be achieved.

本発明に係る縦糸と横糸を含む織物の製造方法は、縦糸間における製織時に、縦糸間の通路に少なくとも2本の平行に延びる糸を同時に挿入することを特徴とする。   The method for producing a woven fabric including warp and weft according to the present invention is characterized in that at the time of weaving between warp yarns, at least two parallel extending yarns are simultaneously inserted into a passage between the warp yarns.

本発明に係る方法の基本的な着想は、各横糸として、少なくとも2本、好ましくは2本の糸を縦糸間の通路にまさに平行に挿入する点にある。そのため、本発明の本態様によれば、諸撚糸を特に横糸として使用し、上述した利点を実現することができる。2本の糸を縦糸間の通路に同時に挿入するため、絡み合った紡績糸を使用する場合と同じ機械出力(横糸挿入能力)を実現することができる。   The basic idea of the method according to the invention is that for each weft, at least two, preferably two, threads are inserted exactly parallel to the path between the warps. Therefore, according to this aspect of the present invention, the above-described advantages can be realized by using plied yarns as weft yarns in particular. Since the two yarns are simultaneously inserted into the passage between the warp yarns, the same machine output (weft insertion capability) as that when using entangled spun yarns can be realized.

製織時に一度に複数の縦糸間の通路を設け、少なくとも1本が諸撚りされた数本の横糸を同時に挿入することもできる。その結果、生産性を更に向上させることができる。   It is also possible to provide a passage between a plurality of warp yarns at the time of weaving and insert several weft yarns in which at least one yarn is twisted at the same time. As a result, productivity can be further improved.

本発明に係る方法を実施する際には、好ましくは1cm当たり50〜65本の横糸を用意する。ただし、横糸毎に数本の糸を同時に挿入するため、横糸の数はそれに対応して増加する。   When carrying out the method according to the invention, preferably 50 to 65 wefts per cm are prepared. However, since several yarns are inserted simultaneously for each weft, the number of wefts increases correspondingly.

本発明に係る方法は、特にPTFE紡績糸からなる織物の製造に好適である。好ましくは、本発明に係る織物を製造するために本発明に係る方法を使用する。   The method according to the present invention is particularly suitable for producing a woven fabric made of PTFE spun yarn. Preferably, the method according to the invention is used to produce a fabric according to the invention.

本発明に係る方法を実施するために、少なくとも2つの紡績糸キャリヤと、横糸の2本の糸のための少なくとも2つの事前巻取装置を有する織機を使用することが好適である。   In order to carry out the method according to the invention, it is preferred to use a loom having at least two spun yarn carriers and at least two pre-winding devices for two weft yarns.

以下、添付図面に模式的に示す好適な実施形態によって本発明について更に詳細に説明する。図1は本発明に係る織物の反復パターンを示し、矢印は縦方向を示している。図1では、4糸パナマ6/6(4)織りとしている。   Hereinafter, the present invention will be described in more detail with reference to preferred embodiments schematically shown in the accompanying drawings. FIG. 1 shows a repeating pattern of a fabric according to the present invention, and the arrows indicate the longitudinal direction. In FIG. 1, a four-thread Panama 6/6 (4) weave is used.

Claims (9)

物構造体及び/又は被覆用の織物であって、PTFE紡績糸の縦糸と横糸からなり、前記縦糸の数が前記横糸の数の少なくとも2倍であり、前記縦糸が単糸からなり、前記横糸が2本の糸を有する諸撚糸からなることを特徴とする織物。A woven material structure and / or fabric covering consists warp and weft of PTFE yarns, the number of the warp yarns is 2 times the least number of the weft, the warp is made of single yarn The woven fabric is characterized in that the weft yarn is composed of various twisted yarns having two yarns. 請求項1において、PTFE紡績糸の縦糸と横糸からなり、前記縦糸の数が100〜125本/cmであり、及び/又は前記横糸の数が50〜65本/cmであることを特徴とする織物。  In Claim 1, It consists of the warp and the weft of PTFE spun yarn, The number of the warps is 100-125 / cm, and / or The number of the weft is 50-65 / cm, It is characterized by the above-mentioned. fabric. 請求項1又は2において、前記縦糸のタイターが前記横糸よりも低いことを特徴とする織物。The woven fabric according to claim 1 or 2, wherein the warp yarn has a lower titer than the weft yarn . 請求項1〜3のいずれか1項において、前記横糸が、前記縦糸よりも高いタイター、好ましくは前記縦糸のタイターの2倍のタイターを有する単糸からなることを特徴とする織物。In any one of claims 1 to 3, wherein the weft, the higher titer than warp, preferably fabric, characterized in that it consists of a single yarn having twice the titer titer of the warp. 請求項1〜4のいずれか1項において、前記横糸及び/又は前記縦糸が撚り合わせられていることを特徴とする織物。  The woven fabric according to any one of claims 1 to 4, wherein the weft yarn and / or the warp yarn are twisted together. 請求項1〜5のいずれか1項において、前記織物の重量が少なくとも900g/mであることを特徴とする織物。In any one of claims 1 to 5, fabric weight of said fabric, characterized in that at least 900 g / m 2. 請求項1〜6のいずれか1項において、前記織物の織り方がパナマ織り又はあや織りであることを特徴とする織物。  The woven fabric according to any one of claims 1 to 6, wherein a weaving method of the woven fabric is a Panama weave or a twill weave. 請求項1〜7のいずれか1項において、複数層織り、好ましくは二層織りされていることを特徴とする織物。The woven fabric according to any one of claims 1 to 7, wherein the woven fabric is woven in a plurality of layers, preferably woven in two layers. 請求項1〜8のいずれか1項において、酸性浴、アルカリ性浴及び酸化剤浴内で洗浄されていることを特徴とする織物。  The woven fabric according to any one of claims 1 to 8, wherein the woven fabric is washed in an acidic bath, an alkaline bath, and an oxidizing agent bath.
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DE200620008868 DE202006008868U1 (en) 2006-06-06 2006-06-06 Woven fabric made from polytetrafluoroethylene yarn and having at least twice as many warp threads as weft threads, used for textile structures and coverings, e.g. screens, awnings and tents
PCT/EP2007/004684 WO2007140893A1 (en) 2006-06-06 2007-05-25 Woven fabric, in particular for textile buildings and/or covers
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